- Date
- April 8, 1987, 15:45 local (21:45 UTC)
- Place
- Lamar, CO
- Injuries
- 1 fatal, 1 serious
- Phase of flight
- Maneuvering
- Aircraft
- N8369Grumman G-164AN4941YPiper PA-25-260
- Weather
- Visual (VMC) · Day
- Status
- Completed · report May 9, 1988
- Report
- Approved by Office Director
- FAA reports
- 19870408069921A19870408069922A
- Case key
- 17103
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Analysis
The aircraft had completed a formation aerial application operation and were in the process of single airplane spraying around the perimeters of a field. They collided at 10 feet above the ground on perpendicular flight paths, descended out of control and impacted in the level field.
The aircraft had completed a formation aerial application operation and were in the process of single airplane spraying around the perimeters of a field. They collided at 10 feet above the ground on perpendicular flight paths, descended out of control and impacted in the level field.
Aircraft · 2
- Registration
- N8369
- Reported as
- Grumman G-164A
- Category
- Airplane
- Serial number
- 864
- Airframe hours
- 4,214
- Engine
- P&W R1340-AN-1, 600 horsepower, reciprocating
- Damage
- Destroyed
- Flight
- Aerial application · Part 137
- Registered owner
- Allen H. Tinnes
- Airworthiness certificate
- Special, Restricted (Special)
- Last inspection
- Annual · February 2, 1984 · 528 hours before
- Departed
- Lamar, CO
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
- Registration
- N4941Y
- Reported as
- Piper PA-25-260
- Category
- Airplane
- Serial number
- 25-4742
- Airframe hours
- 1,583
- Engine
- Lycoming O-540-G1A5, 260 horsepower, reciprocating
- Damage
- Destroyed
- Flight
- Aerial application · Part 137
- Registered owner
- Allen H. Tinnes
- Airworthiness certificate
- Special, Restricted (Special)
- Last inspection
- Annual · May 10, 1986
- Departed
- Lamar, CO
Flight crew · 2
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot, aircraft N8369
- Age
- 41
- Certificate
- Commercial
- Airplane ratings
- Multi-engine land, Single-engine land
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Seat
- Center
- Toxicology
- Performed
- Flight hours
- 5,620 total · 5,140 in this make and model · 5,500 as pilot in command · 20 in the last 90 days · 6 in the last 24 hours
- Role
- Pilot, aircraft N4941Y
- Age
- 35
- Certificate
- Commercial
- Airplane ratings
- Single-engine land
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Seat
- Center
- Toxicology
- Performed
- Flight hours
- 2,000 total · 2,000 in this make and model · 2,000 as pilot in command · 30 in the last 90 days · 6 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 210° at 8 knots
- Visibility
- 35 statute miles
- Lowest ceiling
- None
- Temperature
- 64 °F, dew point 21 °F
- Altimeter
- 29.00 inHg
- Observed at
- LHX, 52 nm away
FAA reports on this event · 2
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.
Other investigations on N8369 · 2
Matched to the same aircraft by N-number and date.